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Table 2 Classifications of COPD groups using mMRC scores (n = 257)

From: Differences in classification of COPD group using COPD assessment test (CAT) or modified Medical Research Council (mMRC) dyspnea scores: a cross-sectional analyses

High risk

62 (24.1%)

80 (31.1%)

Low risk

97 (37.7%)

18 (7.0%)

mMRC 0-1

mMRC ≥ 2

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BMC Pulmonary Medicine

ISSN: 1471-2466

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